1955–1967
National Gallery of Art, 1823
National Gallery of Art, 1955
National Gallery of Art, 1827
National Gallery of Art, 1963
National Gallery of Art, 1940
National Gallery of Art, 1935
National Gallery of Art, 1944
National Gallery of Art, 1887
National Gallery of Art, 1941
National Gallery of Art, 1500
National Gallery of Art, 1879
National Gallery of Art, 1545
![Untitled [abstract study]](https://api.nga.gov/iiif/6c7ed646-ac19-4666-ba6d-6480822dab3d/full/843,/0/default.jpg)
![Untitled [recto]](https://api.nga.gov/iiif/f0a1666f-2975-4f9e-94d2-89460393f2bf/full/843,/0/default.jpg)
